组合式API_事件处理

选项式API_事件处理

<template>
  <h3>选项式API</h3>
  <p>{{ count }}</p>
  <button @click="addCountHandle">增加</button>
</template>
<script>
export default {
  data(){
    return{
      count:0
     }
   },
  methods:{
    addCountHandle(){
      this.count++
     }
   }
}  
</script>

组合式API_事件处理

<template>
  <h3>组合式API</h3>
  <p>{{ count }}</p>
  <button @click="addCountHandle">增加</button>
</template>
<script setup>
import { ref } from "vue"


const count = ref(0)
function addCountHandle(){
  count.value++
}
</script>